Oracle 5.0 Reference Manual page 1408

and it does not exist, the
abckey
statistics are in effect, even if the key is not currently stored. The hits, that is, the number of
operations for a key that exists in the server are also counted.
del
To turn detailed statistics off, send the
$ telnet localhost 11211
Trying 127.0.0.1...
Connected to tiger.
Escape character is
OK
To obtain the detailed statistics recorded during the process, send the
command to the
stats detail dump
PREFIX hykkey get 0 hit 0 set 1 del 0
PREFIX xyzkey get 0 hit 0 set 1 del 0
PREFIX yukkey get 1 hit 0 set 0 del 0
PREFIX abckey get 3 hit 3 set 1 del 0
END
You can use the detailed statistics information to determine whether your
a large number of keys that do not exist in the server by comparing the
Because the information is recorded by key, you can also determine whether the failures or operations
are clustered around specific keys.
15.6.4.6. Using
memcached-tool
The memcached-tool, located within the
The tool provides convenient access to some reports and statistics from any
The basic format of the command is:
shell> ./memcached-tool hostname:port [command]
The default output produces a list of the slab allocations and usage. For example:
shell> memcached-tool localhost:11211 display
# Item_Size
1 80B
2 104B
3 136B
4 176B
5 224B
6 280B
7 352B
8 440B
9 552B
10 696B
11 872B
12 1.1K
13 1.3K
14 1.7K
15 2.1K
16 2.6K
17 3.3K
18 4.1K
19 5.2K
20 6.4K
21 8.1K
22 10.1K
23 12.6K
24 15.8K
25 19.7K
26 24.6K
27 30.8K
28 38.5K
29 48.1K
Getting
operating on the specified key are recorded while detailed
get
stats detail off
'^]'.stats detail on
server:
memcached
Max_age Pages Count
93s 1
93s 1
1335s 1
1335s 1
1335s 1
1335s 1
1335s 1
1335s 1
1335s 1
1335s 1
1335s 1
1335s 1 112
1335s 1 145
1335s 1 123
1335s 1 198
1335s 1 199
1335s 1 229
1335s 1 248
1335s 2 328
1335s 2 316
1335s 3 381
1335s 3 303
1335s 5 405
1335s 6 384
1335s 7 357
1336s 7 287
1336s 7 231
1336s 4 104
1336s 1
Statistics
memcached
command to the
directory within the
scripts
Full? Evicted Evict_Time OOM
20 no 0
16 no 0
28 no 0
24 no 0
32 no 0
34 no 0
36 no 0
46 no 0
58 no 0
66 no 0
89 no 0
no 0
no 0
no 0
no 0
no 0
no 0
yes 36
no 0
yes 387
yes 492
yes 598
yes 605
yes 766
yes 908
yes 1012
yes 1193
yes 1323
21 yes 1287
1388
memcached
stats detail dump
clients are using
memcached
and or
hit get del
source directory.
memcached
instance.
memcached
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
2 0
0 0
1 0
1 0
2 0
1 0
2 0
170 0
1 0
169 0
169 0
1 0
or
get
server:
counts.